Ideas for learning/traveling

Medieval Period
  1. Defense
  2. Religion
  3. Trade Routes
  4. Artisanat (Romont glass, Lucerne glass, Basel paper, )
  5. Burgundian Wars
  6. Languages

Other times
  1. Pre-history
  2. Celtic Period
  3. Roman History

Other Optics
  1. Geology Bex Salt Mines, La Grottes aux fées - St. Maruice
  2. Meteorology
  3. Climates - Ecosystems
  4. Maps